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AOBEN Cordless Angle Grinder 4-1/ vs CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only

Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and versatility, CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only wins on warranty and price.

The AOBEN Cordless Angle Grinder offers higher speed and a complete kit, making it a better choice for users needing immediate usability. The CRAFTSMAN V20 is more budget-friendly but requires additional purchases.

Why AOBEN Cordless Angle Grinder 4-1/ is better

Speed

AOBEN operates at 9500 RPM compared to CRAFTSMAN's 8500 RPM.

Battery

AOBEN includes two 4.0Ah batteries, while CRAFTSMAN is tool only.

Versatility

AOBEN offers three adjustable speeds for various applications.

Why CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only is better

Price

CRAFTSMAN is priced at $64.51, making it cheaper.

Warranty

CRAFTSMAN comes with a limited lifetime warranty.

Heat Dissipation

CRAFTSMAN features cast metal gear housing for better heat dissipation.

Overall score

AOBEN Cordless Angle Grinder 4-1/
85
CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only
75

Specifications

SpecAOBEN Cordless Angle Grinder 4-1/CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only
Max RPM95008500
Battery IncludedYesNo
Weight5.5 lbs4.5 lbs
Handle TypeAuxiliaryContoured
Heat DissipationStandardEnhanced

Dimension comparison

AOBEN Cordless Angle Grinder 4-1/CRAFTSMAN V20* Angle Grinder, Small, 4-1/2-Inch, Tool Only

Overview of the AOBEN Cordless Angle Grinder

The AOBEN Cordless Angle Grinder, priced at $79.99, offers a robust design and various features that cater to both casual users and professionals. This model includes a brushless motor, which provides longer lifespan and improved energy efficiency. The grinder operates at a maximum speed of 9500 RPM, allowing for a versatile range of applications such as metal cutting, polishing, and rust removal. Additionally, the kit comes complete with two 4.0Ah batteries and a charger, making it a comprehensive solution for users who need mobility without being tethered to a power source.

Overview of the CRAFTSMAN V20 Angle Grinder

The CRAFTSMAN V20 Angle Grinder is offered at a lower price of $64.51, making it about 17% cheaper than the AOBEN model. This grinder is designed for high performance, featuring a maximum speed of 8500 RPM. It's built with a cast metal gear housing that efficiently dissipates heat during prolonged use, ensuring durability and reliability under pressure. Notably, the CRAFTSMAN model is sold as a tool only, meaning users will need to purchase the battery and charger separately, which could lead to additional costs depending on the user's existing equipment.

Performance Comparison

When it comes to performance, the AOBEN Cordless Angle Grinder outpaces the CRAFTSMAN model in terms of speed, operating at a maximum of 9500 RPM compared to CRAFTSMAN's 8500 RPM. This higher speed allows the AOBEN grinder to handle more aggressive applications efficiently. However, the CRAFTSMAN's robust design with heat dissipation features may offer an edge in extended usage scenarios, reducing the risk of overheating. Both grinders provide adequate performance for typical grinding tasks, but users seeking maximum speed may prefer the AOBEN.

Battery and Runtime

The AOBEN grinder comes with two 4.0Ah batteries, which allow for extended runtime without the hassle of cords. This feature is particularly beneficial for outdoor tasks or projects far from power outlets. In contrast, the CRAFTSMAN V20 is sold as a tool only, meaning users must buy a compatible battery separately, which could add to overall costs and inconvenience. For users who prioritize battery life and immediate usability, the AOBEN offers a more complete package straight out of the box.

Ergonomics and Design

Both angle grinders are designed with user comfort in mind, but they take different approaches. The AOBEN model features a compact, handy design and an auxiliary handle for better control during operation. It also includes two wheel guards for added safety. The CRAFTSMAN V20, on the other hand, boasts a contoured over-molded handle, making it comfortable to hold during extended use. The choice here may come down to personal preference in grip style and handling, as both models prioritize ergonomic design.

Versatility of Use

The AOBEN grinder offers three adjustable speeds, allowing users to tailor the RPM to their specific needs—ideal for a variety of applications like grinding, cutting, and polishing. In contrast, the CRAFTSMAN model provides flexibility with a tool-free guard position, which enhances its versatility but lacks the speed adjustment feature. For users needing a grinder that can adapt to different tasks with ease, the AOBEN may be the better choice, while the CRAFTSMAN remains suitable for standard applications.

Warranty and Support

The CRAFTSMAN V20 comes with a limited lifetime warranty, which can provide peace of mind for users concerned about long-term reliability. AOBEN does not explicitly mention warranty details in its product description, which may leave potential buyers seeking assurances regarding durability and support. A robust warranty can be a decisive factor for many consumers, especially for tools subject to heavy use.

Which should you buy?

Choosing between the AOBEN Cordless Angle Grinder and the CRAFTSMAN V20 ultimately depends on your specific needs and budget. The AOBEN model is more expensive at $79.99 but offers higher speed, two batteries, and a complete kit for immediate use. In contrast, the CRAFTSMAN V20 is priced at $64.51, making it a more budget-friendly option, though it requires additional investment for a battery and charger. If you prioritize speed and a comprehensive package, the AOBEN is the better choice. However, if you are looking for a more economical option and are willing to source a battery separately, the CRAFTSMAN V20 may suit your needs.